Published January 1, 2015
| Version v1
Journal article
Open
Proximal Mappings Involving Almost Structured Matrices
Creators
Description
We consider a minimization problem where the cost function consists of the sum of a quadratic data fidelity term and a penalty term. The quadratic involves a matrix H that can be embedded into a larger matrix (H) over tilde where multiplication with the inverse of I + alpha(H) over tilde (T)(H) over tilde can be efficiently performed. We discuss how to take advantage of this property when the Douglas-Rachford algorithm is utilized.
Files
bib-878e6b64-ee7d-4729-bd01-8a4b42f87284.txt
Files
(125 Bytes)
| Name | Size | Download all |
|---|---|---|
|
md5:c20acfce562180e6c4a487e273ee0aee
|
125 Bytes | Preview Download |